* [PATCH] workqueue: proper error unwinding in cpu hotplug error path
@ 2008-07-15 8:12 Akinobu Mita
0 siblings, 0 replies; only message in thread
From: Akinobu Mita @ 2008-07-15 8:12 UTC (permalink / raw)
To: linux-kernel
Add proper error unwinding in error path in CPU_UP_PREPARE notifier.
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
---
kernel/workqueue.c | 9 +++++++++
1 file changed, 9 insertions(+)
Index: 2.6-mmotm/kernel/workqueue.c
===================================================================
--- 2.6-mmotm.orig/kernel/workqueue.c
+++ 2.6-mmotm/kernel/workqueue.c
@@ -928,6 +928,15 @@ static int __devinit workqueue_cpu_callb
break;
printk(KERN_ERR "workqueue [%s] for %i failed\n",
wq->name, cpu);
+
+ list_for_each_entry_continue_reverse(wq, &workqueues,
+ list) {
+ cwq = per_cpu_ptr(wq->cpu_wq, cpu);
+ start_workqueue_thread(cwq, -1);
+ cleanup_workqueue_thread(cwq);
+ }
+ cpu_clear(cpu, cpu_populated_map);
+
return NOTIFY_BAD;
case CPU_ONLINE:
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